(a) The commissioners court of a county by order adopted at a regular meeting of the court may establish a county utility system board to operate and manage the county's:
(1) wastewater collection and treatment system;
(2) water supply and distribution system; or
(3) solid waste collection and disposal system.
(b) The board is responsible for the operation and management of each utility system that is:
(1) owned or being acquired by the county; and
(2) placed under its control under Subsection (a).